UMBC CMSC 313, Computer Organization & Assembly Language, Spring 2002, Section 0101

Data Representation & Arithmetic I

Thursday 01/31, 2001

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Assigned Reading in Murdocca & Heuring:  2.1-2.2, 3.1-3.3

Assigned Reading in Neveln:  2.4-2.7, 3.6-3.8

Assigned:   

Due:   

Topics Covered:

• Modular arithmetic: why two's complement works.
• Two's complement addition and subtraction.
• Overflow in two's complement arithmetic.
• Sign extension: adding and subtracting two's complement numbers with different sizes.
• One's complement addition and end-around carry.